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2893452042 = 231322853503
BaseRepresentation
bin1010110001110110…
…1001001100001010
321110122112121000110
42230131221030022
521411210431132
61155040415150
7131462636145
oct25435511412
97418477013
102893452042
111255307388
126890174b6
133715ba500
141d63cd05c
1511e0491cc
hexac76930a

2893452042 has 24 divisors (see below), whose sum is σ = 6266294784. Its totient is φ = 890292624.

The previous prime is 2893452019. The next prime is 2893452047. The reversal of 2893452042 is 2402543982.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2893452047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1425738 + ... + 1427765.

It is an arithmetic number, because the mean of its divisors is an integer number (261095616).

Almost surely, 22893452042 is an apocalyptic number.

2893452042 is an abundant number, since it is smaller than the sum of its proper divisors (3372842742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2893452042 is a wasteful number, since it uses less digits than its factorization.

2893452042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853534 (or 2853521 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2893452042 is about 53790.8174505649. The cubic root of 2893452042 is about 1424.9690428486.

The spelling of 2893452042 in words is "two billion, eight hundred ninety-three million, four hundred fifty-two thousand, forty-two".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 2853503 5707006 8560509 17121018 37095539 74191078 111286617 222573234 482242007 964484014 1446726021 2893452042